>sp|Q1CKF7|GRCA_YERPN Autonomous glycyl radical cofactor OS=Yersinia pestis bv. Antiqua GN=grcA MITGIQITKANNEALLNSFWLLDDEKAELRCVCAKSGYAEDQIVPTSELGEIEYREVPLE VQPTVRVEGGQHLNVNVLSRDTLEDAVKNPEKYPQLTIRVSGYAVRFNSLTPEQQRDVIT RTFTESL